<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Title</title>
</head>
<body>
<script>
	let arr = [12,5,8];
	let newArr = arr.map(item => item*2);
	// console.log(newArr);
	let score = [19,85,99,25,90];
	let result = score.map( (item) => (item>=60) ? '及格' : "不及格");
	// console.log(result);

</script>
</body>
</html>